From signs of life on Mars to an interstellar visitor and weakening dark energy, 2025 reshaped space science, raising the ...

On Jan. 15, 2025, the Gaia spacecraft took its last image. Then the craft ran a final round of engineering tests, fired its ...

Here's how the astronomical phenomenon influences our planet—from the length of our seasons to the way Earth moves through ...

The moon and sun share top billing in 2026. Kicking off the year's cosmic wonders is the moon, drawing the first astronauts ...